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A074968 as a simple table

na(n)
13
25
310
415
525
628
738
841
951
1064
1169
1282
1389
1494
15104
16116
17130
18133
19147
20156
21160
22173
23181
24195
25211
26224
27227
28234
29237
30246
31276
32286
33300
34303
35323
36330
37341
38353
39361
40377
41390
42392
43412
44415
45426
46431
47459
48485
49493
50496
51504
52516
53520
54542
55554

[3,5,10,15,25,28,38,41,51,64,69,82,89,94,104,116,
 130,133,147,156,160,173,181,195,211,224,227,234,
 237,246,276,286,300,303,323,330,341,353,361,377,
 390,392,412,415,426,431,459,485,493,496,504,516,
 520,542,554]